Riding Discipline – Road
Kirk Frameworks Co.
This bike is a Kirk Frameworks ‘JK Special X’ lugged frame built for Shimano Dura-Ace Di2. The frame is constructed with a proprietary mix of Reynolds 953 XL sized main tubes and custom Kirk by Reynolds stays as well as lugs by Llewellyn. This frame features Kirk ‘Triple F’ rear dropouts and special Di2 wire port tube reinforcing plates that allow for internal wiring. The JKS X is designed as a full on race bike meant to deal with spring classics type road conditions under large and powerful riders.